feat(packets): allow multiple separators in sayi2 packet

docs: add basic information about packets to README

docs: update README

fix(packets): add packet header for qnaml packet

feat(packets): remove ExtraSpace from CList packet and replace it with allowing multiple separators

feat(packets): add support for multiple separators after a field

chore(combat): update version

feat(combat): prevent NotInRange error

fix(combat): do not cancel cancellation token after disposing it

feat(combat): add possibility to cancel operation to quit the combat state early

feat(combat): allow cancelling operations

feat(combat): make waiting return an error with information about waiting information

docs: add missing documentation

chore(combat): use local dependencies instead of NuGet

chore(combat): update version

fix(combat): prevent using combo skills until support is added

fix(data): correctly parse special cost

feat(game): add check for combo skill

feat(data): add skill cost, item vnum, dash, upgrade

feat(combat): add compound operation to simplify using skills